Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Industrial
Class Information
Number: 122/145
Name: Liquid heaters and vaporizers > Flue > Horizontal > Internal water tube > Transverse
Description: Devices having water tubes extending across the flues and communicating with the boiler at both ends.










Sub-classes under this class:

Class Number Class Name Patents
122/146 Drop water firebox 0
122/147 Return fire tube 0


Patents under this class:

Patent Number Title Of Patent Date Issued
4316436 Heat exchanger Feb. 23, 1982
4062324 Firetube economizer Dec. 13, 1977
4044726 Circulating water heater Aug. 30, 1977











 
 
  Recently Added Patents
Random access point (RAP) formation using intra refreshing technique in video coding
Method and apparatus for map transmission in wireless communication system
Data feed management
Resin composition and display device using the same
Edge alphas for image translation
Methods circuits apparatuses and systems for facilitating access to online content
Selecting modulation and coding scheme in the presence of interference
  Randomly Featured Patents
Transplanter
Ice making tray for refrigerator
Print system capable of notifying user of required ink amount
Engine misfire detection
Single use lens assembly
Mobile communication system and mobile communication apparatus in which wait time is extended
Vehicle bench lift
Reflective cholesteric displays employing circular polarizers with the polarity of the front polarizer opposite to both the back polarizer and the bragg reflection
1-[2-(2,3-Dihydro-1H-inden-1-yl)ethyl]-4-(naphthalen-1-yl) piperazine, derivatives, preparation thereof and therapeutical use thereof
System for processing character images